Mobile terminal and control method thereof

1. A method of controlling a mobile device, the method comprising:

establishing, via a wireless communication unit of the mobile terminal, communication with an external device installed with an application;

receiving, via a controller of the mobile terminal, application execution information from the external device;

while the mobile terminal is in a lock state with a corresponding lock screen, displaying, via the controller of the mobile terminal, and in response to receiving the application execution information, an icon corresponding to the application of the external device on the lock screen of the mobile terminal, wherein the application execution information is based on displaying of a content on the application of the external device;

releasing, via the controller of the mobile terminal, the lock screen and executing an application of the mobile terminal corresponding to the icon on the mobile terminal, in response to the icon being touched and dragged, wherein the content displayed on the application of the external device is displayed on the application of mobile terminal.

2. The method of claim 1 , further comprising:

displaying the icon in a specific region of the lock screen,

wherein the icon indicates a type of the application executed on the external device.

3. The method of claim 1 , wherein the icon is touched and dragged toward a middle of the lock screen to release the lock screen and execute the application.

4. The method of claim 1 , further comprising:

invoking the lock screen in response to a button being pressed on the mobile terminal,

wherein the button includes a home key button.

5. The method of claim 1 , further comprising:

displaying the icon in a left edge region of the lock screen, when the lock screen is invoked; and

releasing the lock screen and seamlessly displaying an execution screen of a task on the mobile terminal corresponding to a task being executed on the external device, in response to the icon being touch and dragged a predetermined distance or more,

wherein the icon indicates a connection status between the mobile terminal and the external device, the application is being executed on the external device, and a type of application executed on the external device.

6. A mobile terminal, comprising:

a wireless communication unit configured to communicate with an external device installed with an application;

a display; and

a controller configured to:

receive application execution information from the external device,

while the mobile terminal is in a lock state with a corresponding lock screen, display, in response to receiving the application execution information, an icon corresponding to the application of the external device on the lock screen of the display, wherein the application execution information is based on displaying of a content on the application of the external device,

release the lock screen and execute an application of the mobile terminal corresponding to the icon on the mobile terminal, in response to the icon being touched and dragged, wherein the content displayed on the application of the external device is displayed on the application of the mobile terminal.

7. The mobile terminal of claim 6 , wherein the controller is further configured to:

display the icon in a specific region of the lock screen, and

wherein the icon indicates a type of the application executed on the external device.

8. The mobile terminal of claim 6 , wherein the icon is touched and dragged toward a middle of the lock screen to release the lock screen and execute the application.

9. The mobile terminal of claim 6 , wherein the controller is further configured to display the icon on the lock screen when the application is being executed on the external device.

10. The mobile terminal of claim 9 , wherein the controller is further configured to control the application of the mobile terminal to consecutively perform a task which has been executed by the application of the external device.

11. The mobile terminal of claim 6 , wherein the controller is further configured to invoke the lock screen in response to a button being pressed on the mobile terminal, and

wherein the button includes a home key button.

12. The mobile terminal of claim 6 , wherein the controller is further configured to:

display the icon in a left edge region of the lock screen, when the lock screen is invoked, and

release the lock screen and seamlessly display an execution screen of a task on the mobile terminal corresponding to a task being executed on the external device, in response to the icon being touch and dragged a predetermined distance or more, and

wherein the icon indicates a connection status between the mobile terminal and the external device, the application is being executed on the external device, and a type of application executed on the external device.

13. The mobile terminal of claim 6 , wherein the controller is further configured to when the application corresponding to the icon is not installed on the mobile terminal, search for, install and execute the application on the mobile terminal.

14. The mobile terminal of claim 6 , wherein the controller is further configured to detect the external device to switch the external device to the mobile terminal using the wireless communication unit, and

wherein the wireless communication unit includes a short range communication module configured to communicate with the external device be at least one of BLUETOOTH, near field communication (NFC), radio frequency identification (RDIF), infrared data association (IrDA) ultra wideband (UWB) or ZIGBEE.

15. The mobile terminal of claim 14 , wherein the controller is further configured to receive from the external device, information of the executing application of the external device in order to determine the icon to be displayed on the lock screen.

16. The mobile terminal of claim 6 , wherein the controller is further configured to display a home screen or a previously displayed screen on the display in response to the lock screen being released without the input being applied to the displayed icon.

17. The mobile terminal of claim 6 , wherein the controller is further configured to display the icon in a left edge region of the lock screen.

18. The mobile terminal of claim 6 , wherein the icon indicates a connection status between the mobile terminal and the external device and a type of application executed on the external device.